<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    const CHARACTERS_TO_NORMALIZE = {
        "\u2010": "-",
        "\u2018": "'",
        "\u2019": "'",
        "\u201A": "'",
        "\u201B": "'",
        "\u201C": '"',
        "\u201D": '"',
        "\u201E": '"',
        "\u201F": '"',
        "\u00BC": "1/4",
        "\u00BD": "1/2",
        "\u00BE": "3/4"
    };
    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
    let normalizationRegex = new RegExp(`[${replace}]`, "g");
    console.log(`514
    51561
    s6er485`.replace(normalizationRegex));
</script>
</body>
</html>